from shaoshi2 import mySum


class JSQ():
    size=20*30
    countkey=30
    isYinYue=False

    def j_sum(self,a,b):
        print(self.size)
        return a+b

    def j_jian(self,a,b):
        return a-b

if __name__ == '__main__':
    c=mySum(10,20)
    print(c)

    myJSQ=JSQ()
    myJSQ.j_sum(1,2)
    myJSQ.j_jian(10,9)







